Skip to main content
OSTI.GOVU.S. Department of Energy Office of Scientific and Technical Information
U.S. Department of Energy
Office of Scientific and Technical Information
 

Divertor material evaluation system at DIII-D

Conference ·
OSTI ID:5256867
; ; ; ; ;  [1]; ; ;  [2]; ;  [3]
  1. General Atomics, San Diego, CA (United States)
  2. Sandia National Labs., Livermore, CA (United States)
  3. Argonne National Lab., IL (United States)
+ Show Author Affiliations

The DIvertor Material Evaluation System (DIMES) at DIII-D is a collaborative program between General Atomics, Sandia National Laboratories (SNL), and Argonne National Laboratory (ANL). This program was initiated in response to the need for understanding the interaction between the plasma and divertor surface materials in tokamaks. Material erosion, tritium retention, disruption effects and material transport are very important topics for the design of ITER. The first phase of the DIMES study is integral material exposure measurements. The second phase of the study is the installation of the DIMES sample changer mechanism. The mechanical design goal for the second phase is to allow the insertion of instrumented samples into the bottom divertor plat region of DIII-D without venting the tokamak. Different material samples can then be exchanged overnight after as few as one plasma shot of exposure. This paper presents the results of the integral experiments, the design of the DIMES sample changer mechanism and the planning of material evaluation experiments at DIII-D using the DIMES mechanism.

Research Organization:
General Atomics, San Diego, CA (United States)
Sponsoring Organization:
DOE; USDOE, Washington, DC (United States)
DOE Contract Number:
AC03-89ER52153
OSTI ID:
5256867
Report Number(s):
GA-A-20877; CONF-920311--8; ON: DE92013696
Country of Publication:
United States
Language:
English

Similar Records

Divertor material evaluation system at DIII-D
Conference · Tue Mar 31 23:00:00 EST 1992 · OSTI ID:10149058
Observed modes of DIII-D divertor operation and the corresponding strike point locations at the lower divertor
Technical Report · Tue Aug 01 00:00:00 EDT 1989 · OSTI ID:720092
DiMES divertor erosion experiments on DIII-D
Technical Report · Sat Jun 01 00:00:00 EDT 1996 · OSTI ID:244620

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700420* -- Fusion Technology-- Plasma-Facing Components-- (1992-)
700480 -- Fusion Technology-- Component Development
CLOSED PLASMA DEVICES
DIVERTORS
DOUBLET-3 DEVICE
EROSION
EVALUATION
ITER TOKAMAK
MATERIALS
Ma
Materials Studies-- (1992-)
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
THERMONUCLEAR DEVICES
THERMONUCLEAR REACTOR MATERIALS
TOKAMAK DEVICES